90134078 has 8 divisors (see below), whose sum is σ = 135387768. Its totient is φ = 45004824.

The previous prime is 90134069. The next prime is 90134089. The reversal of 90134078 is 87043109.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29276 + ... + 32207.

It is an arithmetic number, because the mean of its divisors is an integer number (16923471).

Almost surely, 2^90134078 is an apocalyptic number.

90134078 is a deficient number, since it is larger than the sum of its proper divisors (45253690).

90134078 is a wasteful number, since it uses less digits than its factorization.

90134078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62218.

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 90134078 is about 9493.8968816814. The cubic root of 90134078 is about 448.3629041577.

The spelling of 90134078 in words is "ninety million, one hundred thirty-four thousand, seventy-eight".